GuntherSchrijvers opened a new pull request, #23334:
URL: https://github.com/apache/camel/pull/23334
# Description
The `camel-aws2-s3` consumer supports a `moveAfterRead` option that copies
consumed objects to a destination bucket. The `destinationBucketPrefix` and
`destinationBucketSuffix` options allow customising the destination key, but
previously only accepted literal strings.
This PR adds Simple expression language support to both options, following
the same pattern already used by `AWS2S3Utils.determineKey()` and
`AWS2S3Utils.determineBucketName()`: `LanguageSupport.hasSimpleFunction()`
detects whether the value contains a `${...}` expression; if so, the `"simple"`
language is resolved from the Camel context and evaluated against the current
exchange.
Literal strings and `null`/empty values continue to behave exactly as
before, so existing routes using `RAW(somePrefix)` are unaffected.
A practical use case is organising moved objects by date:
```
aws2-s3://mybucket?moveAfterRead=true&destinationBucket=archive
&destinationBucketPrefix=RAW(${date:now:yyyy/MM/dd}/)
```
Changes:
- `AWS2S3Utils`: two new static helpers `evaluateDestinationBucketPrefix` /
`evaluateDestinationBucketSuffix`
- `AWS2S3Consumer.processCommit()`: uses the new helpers instead of plain
string concatenation
- `AWS2S3UtilsTest`: 6 new unit tests (literal pass-through, Simple
expression evaluation, null/empty for prefix and suffix)
- `aws2-s3-component.adoc`: documents expression support with a static and a
dynamic date example
# Target
- [x] I checked that the commit is targeting the correct branch (Camel 4
uses the `main` branch)
# Tracking
- [x] If this is a large change, bug fix, or code improvement, I checked
there is a [JIRA issue](https://issues.apache.org/jira/browse/CAMEL-23548)
filed for the change.
# Apache Camel coding standards and style
- [x] I checked that each commit in the pull request has a meaningful
subject line and body.
- [x] I have run `mvn clean install -DskipTests` locally from root folder
and I have committed all auto-generated changes.
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